Gypsum from selected localities.
USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 238; Williams, S.A. & P. Matter, III (1975), Graemite, a new Bisbee mineral, Min.Rec.: 6:32-34. |
| Rolf Luetcke |
USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 238; Williams, S.A. & P. Matter, III (1975), Graemite, a new Bisbee mineral, Min.Rec.: 6:32-34. |
| Rolf Luetcke |
Dumortierite occurrence [1], Quartzsite, La Paz County, Arizona, USA